Manchester City, Manchester United target Real Madrid's Adrian Castellano?

Manchester City are reportedly ready to battle it out with local rivals Manchester United for the signature of Real Madrid teenager Adrian Castellano.

The 18-year-old left-back has appeared on the radar of both Manchester clubs who will square off against each other for his services, according to The People.

Madrid coach Jose Mourinho has called up the defender to train with the first team several times already this season.

Castellano has featured 10 times for Real Madrid C this campaign.